package com.atguigu.common.vaild;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set = new HashSet<Integer>();

    //初始化方法
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        if (vals.length>0) {
            for (int val : vals) {
                set.add(val);
            }
        }
    }
    //判断是否校验成功
    public boolean isValid(Integer integer, ConstraintValidatorContext constraintValidatorContext) {
        return set.contains(integer);
    }
}
